****************************************************************************** dorisreport 16-Mar-2012 00:44:44 Message No 2866 ****************************************************************************** Author: WILLIS Pascal Subject: IGN/JPL DORIS Report for week 1674 = 12036 ============================================================== Summary report for weekly DORIS IGN/JPL Analysis solution GPS week number: 1674 from 05-02-2012 to 11-02-2012 DORIS name (using day of start): 12036 Days of year: from 2012/36 to 2012/42 ============================================================== Author: Pascal Willis 1) Contacts =========== Email pascal.willis@ign.fr Phone +33-1-4427-2484 FAX +33-1-4427-7340 2) Products =========== All the following products are available at the CDDIS data center ftp cddis.gsfc.nasa.gov weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ign12036wd08.snx.Z weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ign12036wd10.snx.Z geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.Z Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.eop.Z 3) Analysis Strategy ==================== The DORIS data have been processed using the Gipsy/Oasis software from the Jet Propulsion Laboratory Suggestions on which solutions should be used or not can be found in pub/doris/products/sinex_series/ign.snx.readme Complete description files can be found at CDDIS at weekly sinex in free-network pub/doris/products/sinex_series/ignwd/ignwd08.snx.dsc weekly sinex in ITRF2008 pub/doris/products/sinex_series/ignwd/ignwd10.snx.dsc geocenter series in ITRF2008 pub/doris/products/geoc/ign11wd01.geoc.dsc Earth Orientation Parameters time series in ITRF2008 pub/doris/products/eop/ign11wd01.eop.dsc For references, the following papers are recommended : Willis, P., Y.E. Bar-Sever, G. Tavernier (2005), DORIS as a potential part of a Global Geodetic Observing System, J. Geodyn., 40(4-5), 494-501, DOI: 10.1016/j.jog.2005.06.011 Willis, P., Boucher, C., Fagard, H., Goginddass, M.L. (2010), Contributions of the French Institut Geographique National (IGN) to the International DORIS Service, Adv. Space Res., 45(12), 1470-1480 DOI: 10.1016/j.asr.2009.09.019 Changes in data processing: #week 1568: goa-test.2010.03.25b Use Bulletin-A as a priori instead of Bulletin-B #week 1574: goa-test.2010.03.31e Same executable but with /DEV scripts (all official version) #week 1579: goa-test.2010.04.28a Same executable without any DEV scripts #week 1580: goa-test.2010.05.25h Major change affecting solar array orientation for SPOT5 after Jan 2008 see details in Gobinddass et al., Adv. Space Res., 2009 #week 1597: goa-test.2010.09.20c More recent version, close to future 6.0 official version for tests #week 1599: goa-test.2010.05.25h Back to previous test version #week 1606: goa-6.0 Latest JPL official version #week 1487: goa-test-2011.03.17b Including Jason-2 and Cryosat-2 data deleting stations in the South Atlantic Anomaly (SAA) for SPOT-5 reprocessing done for weeks: 736-738 + 955-995 + 1124-1131 + 1487-1619 #week 1632: goa-test-2011.05.11b Minor change (deleting unecessary files) #week 1649: correct bug in estimating CRYOSAT2 drag Estimating every hour in the multi-satellite mode (instead of previously once per day) also estimate CONST_L terms for TOPEX and JASON2 every 8 hours (instead of previously once per day) #week 1656: test.2011.09.27c Minor change: do not use DEV scripts anymore 4) Global Statistics ==================== GPS week number 1674 from 05-02-2012 to 11-02-2012 Total number of stations = 49 Total number of satellites = 5 Combinations (daily to weekly) CHI2 / DOF = 2.52 the following satellites were used in the combination 2012 36 cryosat2 envisat jason2 spot4 spot5 2012 37 cryosat2 envisat jason2 spot4 spot5 2012 38 cryosat2 envisat jason2 spot4 spot5 2012 39 cryosat2 envisat jason2 spot4 spot5 2012 40 cryosat2 envisat jason2 spot4 spot5 2012 41 cryosat2 envisat jason2 spot4 spot5 2012 42 cryosat2 envisat jason2 spot4 spot5 The following table only counts DORIS data that have passed CNES preprocesing step Individual daily DORIS statistics Day total_obs rejected valid_obs %_rejected -------------------------------------------------------- 05-02-2012 47629 86 47543 0.2 06-02-2012 47328 50 47278 0.1 07-02-2012 47287 129 47158 0.3 08-02-2012 47274 73 47201 0.2 09-02-2012 47511 63 47448 0.1 10-02-2012 48520 144 48376 0.3 11-02-2012 49123 73 49050 0.1 5) Individual Statistics per satellite ====================================== The following table includes all data that have been kept in the solution (after pre and post-processing) 5.1) Number of observations per satellite ----------------------------------------- day1 day2 day3 day4 day5 day6 day7 ----------------------------------------------------------------- CRYOSAT2 9380 9234 9255 8943 9151 9335 9511 ENVISAT 7882 7833 8019 7853 7812 8201 8189 JASON2 16969 16651 16863 17203 17163 17150 17294 SPOT4 5097 4973 4866 4676 4926 5162 5327 SPOT5 8215 8587 8155 8526 8396 8528 8729 5.2) Doppler residuals per satellite in mm/s -------------------------------------------- day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- CRYOSAT2 0.449 0.441 0.461 0.429 0.469 0.433 0.431 ENVISAT 0.461 0.446 0.466 0.441 0.467 0.446 0.456 JASON2 0.401 0.392 0.406 0.396 0.387 0.392 0.404 SPOT4 0.452 0.457 0.423 0.436 0.484 0.435 0.432 SPOT5 0.408 0.404 0.421 0.398 0.392 0.414 0.411 6) Individual Statistics per station ====================================== 6.1) Stations given in sinex solutions -------------------------------------- The following table includes all DORIS data that were used to generate the weekly DORIS sinex solutions o = station after a break in the DORIS time series day1 day2 day3 day4 day5 day6 day7 --------------------------------------------------------------- ADGB 433 428 428 438 488 427 420 AMVB 381 401 450 387 448 399 386 ARFB 318 300 275 375 229 312 280 ASEB 354 273 253 209 273 333 215 BADB 0 0 0 0 0 485 464 BEMB 1410 1287 1386 1402 1441 1422 1377 BETB 382 407 409 372 414 383 374 CHAB 586 592 591 575 598 603 588 CIDB 343 392 472 381 344 366 347 COBB 757 766 795 729 807 744 751 CRQB 282 293 207 264 300 327 295 DIOB 204 259 267 317 286 271 306 DJIB 355 347 363 325 353 342 361 EASB 385 348 350 391 409 381 342 EVEB o 238 201 224 205 178 230 246 GAVB 241 200 244 276 236 248 214 GR3B 0 0 0 0 0 0 0 GREB 458 477 510 442 444 490 476 HBMB 446 501 472 365 444 472 480 HEMB 430 394 238 309 281 305 445 JIUB 317 366 414 293 402 450 411 KETB 394 470 321 505 405 392 426 KIUB 414 483 461 411 428 431 399 KOLB 399 427 506 419 391 479 418 KRBB 685 727 558 475 625 573 679 KRWB 319 273 361 348 309 261 246 LICB 326 285 355 285 344 364 287 MAHB 209 277 351 274 243 333 322 MALB 0 0 0 0 0 151 159 MANB o 356 349 298 364 343 377 391 METB 479 579 520 482 498 514 552 MIAB 414 336 352 468 388 403 420 MSPB 506 428 436 476 397 555 467 NOXB 401 302 348 445 350 391 325 PAUB 394 453 497 404 422 426 442 PDMB o 366 372 358 440 346 326 432 REUB 276 301 363 316 273 254 247 REZB 635 629 403 596 479 554 679 RIQB 192 193 170 182 154 233 189 ROVB 1042 1088 998 995 1101 980 1087 SALB 418 370 189 287 358 284 372 SANB o 398 338 387 360 433 309 318 SPJB 1261 1257 1289 1217 1319 1300 1270 STJB o 478 607 492 555 555 499 624 SYPB 1048 1111 1163 1135 1115 1086 1102 THUB 1200 1301 1307 1261 1339 1278 1323 TLSB 567 585 567 597 585 581 583 YASB 443 404 430 448 394 470 482 YEMB 497 457 524 502 453 482 490 6.2) stations rejected from solution ------------------------------------ all available stations were processed and given in the output sinex solutions 6.3) statistics per station and per satellite (stations in sinex) ----------------------------------------------------------------- CRYOSAT2 ENVISAT JASON2 SPOT4 SPOT5 --------------------------------------------- ADGB 5122 0 5341 0 3190 AMVB 1732 1296 3783 615 1103 ARFB 1274 957 2939 564 877 ASEB 1038 882 2200 421 795 BADB 521 477 1111 166 357 BEMB 6528 4405 4376 1852 4021 BETB 1312 1137 2714 853 956 CHAB 2311 1696 5052 1216 1398 CIDB 1382 1157 2726 768 958 COBB 2884 2161 5431 1684 1760 CRQB 2079 877 4234 446 823 DIOB 1467 789 3572 462 759 DJIB 1567 1044 2945 712 950 EASB 1181 1211 2691 898 1142 EVEB 544 482 1564 422 749 GAVB 1172 950 4087 0 817 GR3B 1627 6 4014 0 1 GREB 1798 1416 4317 776 1223 HBMB 1612 1287 3083 1095 1034 HEMB 1564 1082 2879 495 1000 JIUB 1356 1190 3092 694 1082 KETB 2324 1358 4609 552 1164 KIUB 1556 1260 3655 876 1157 KOLB 1866 1247 3329 1085 954 KRBB 2140 2003 4461 923 1712 KRWB 1207 1004 2890 810 885 LICB 1337 1004 2538 561 880 MAHB 1223 983 1932 454 893 MALB 1378 903 2340 556 807 MANB 1687 1196 3110 479 947 METB 2803 1871 4745 233 1741 MIAB 1836 1291 3582 640 1003 MSPB 1949 1322 4166 911 1189 NOXB 1640 1265 3265 549 973 PAUB 1399 1200 2914 1066 999 PDMB 1626 1288 4072 431 1093 REUB 1443 898 2789 377 900 REZB 3464 2066 3875 563 1810 RIQB 674 493 513 155 768 ROVB 4645 3413 5242 1234 2958 SALB 1338 1136 2962 545 960 SANB 1607 1287 3725 386 1032 SPJB 6541 4069 3947 1879 3284 STJB 1889 1602 4348 913 1456 SYPB 4489 3707 4163 1163 3170 THUB 6490 3989 4527 1734 3669 TLSB 1835 1614 4409 1310 1295 YASB 1900 1354 3671 799 1093 YEMB 3866 6 5071 1078 2430 6.4) statistics per station and per satellite (deleted stations) ---------------------------------------------------------------- CRYOS ENVISAT JA2 SPOT4 SPOT5 --------------------------------------------- 7) External Comparisons ======================= (for information) 7.1) Stations coordinates ------------------------- Looking at the transformation results Comparing with solution tf_110726a at epoch of observations Weekly DORIS residuals in mm N E V ------------------- WRMS 10.3 12.2 15.1 7.2) Geocenter estimation -------------------------- Geocenter estimation as provided by 7-parameter transformation to tf_110726a TX = 6.2 +- 1.0 mm TY = -6.4 +- 0.9 mm TZ = -33.5 +- 0.9 mm 7.3) Scale factor ----------------- Scale factor / ITRF2008 using reference tf_110726a S = 1.2 +- 0.1 ppb 7.4) Earth Orientation Parameters --------------------------------- External comparison with JPL/GPS EOP values number of days compared X_POLE_RMS (mas) Y_POLE_RMS (mas) ------------------------------------------------------------------ 7 0.41 0.40 ============================================================== Please do not reply directly to this message, but send comments and suggestions to IDS.central.bureau@cls.fr